Radon vs Darmstadtium

PropertyRn RadonDs Darmstadtium
Atomic number86110
SymbolRnDs
NameRadonDarmstadtium
Categorynoble-gastransition-metal
Standard Atomic Weight222 u281 u
Period67
Group1810
Blockps
Phase at STPgasN/A
Electron configuration[Xe]6s24f145d106p6[Rn]7s25f146d8(predicted)
Oxidation states[0, 2, 6][0, 2, 4, 6, 8]
Electronegativity (Pauling)N/AN/A
Electron affinity-0.7 eV1.6 eV
Density9.73 kg/m³3.480000e+4 kg/m³
Melting point-71.15 °C-273.15 °C
Boiling point-61.7 °C-273.15 °C
Discovery year19001994